Shell plans to invest $20 billion in the Bonga South West deepwater project offshore Nigeria, the special adviser to Nigeria’s president said after the government approved investment-linked incentives for the project. Nigerian President Bola Ahmed Tinubu has approved the adoption of targeted, investment-linked incentives to support the proposed Bonga South West deepwater offshore oil project by Shell and its partners, the office of the president said after Tinubu met with the supermajor’s chief executive, Wael Sawan.   Shell has…